Windshield Wiper Mechanism

This model shows an application of a four-bar mechanism that converts the rotation of an electric motor into the sweeping motion required for a windshield wiper mechanism. The friction between the wiper blades and windshield is accounted for in the Bearing Friction component. The model also features a self-park mechanism that ensures that the wipers return to the parked position after the switch is turned off. The LEDs in the 3-D visualization window indicate when the switch is on (above) and when the motor circuit is energized (below).